Home / 197,660.19-272,771.22-107,016.21

Finding the Fourth Proportional to 197,660.19, 272,771.22 and 107,016.21

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Solution

The fourth proportional to 197,660.19, 272,771.22 and 107,016.21 is: 147,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,660.19 : 272,771.22 = 107,016.21 : x
  2. Step 2: Convert to fraction form
    197,660.19/272,771.22 = 107,016.21/x
  3. Step 3: Cross multiply
    197,660.19x = 272,771.22 × 107,016.21
  4. Step 4: Simplify right side
    197,660.19x = 29,190,942,161.48
  5. Step 5: Solve for x
    x = 29,190,942,161.48/197,660.19
  6. Step 6: Final answer
    x = 147,682.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.